This text is a reflection paper upon teacher issue, particularly about the way the excellence of this profession valuation is subject to the interests and discourses of political and economic groups to fight over the horizon and meaning of edu- cation. To this end, a brief historical review postulating different demands on faculty has been made. Finally, the study shows how, in recent decades, an idea has been in fashion about teacher's suitability in connection with measurement, assessment, and international standards.